US5028015AExpiredUtility

Ground retaining device

Individually held — no corporate assignee on recordPriority: Jun 19, 1990Filed: Jun 19, 1990Granted: Jul 2, 1991
Est. expiryJun 19, 2010(expired)· nominal 20-yr term from priority
B64F 1/16
7
PatentIndex Score
2
Cited by
3
References
1
Claims

Abstract

A ground retaining device for pilotless, radio controlled, miniature model airplanes; comprising horizontal stabilizer engaging bar means, hinged joint means, ground securing plate means.

Claims

exact text as granted — not AI-modified
The embodiments of the invention in which particular property or privilege is claimed are defined as follows: 
     
       1. A ground retaining device for pilotless, miniature, radio controlled, model airplanes; said device comprising horizontal stabilizer engaging bar means, hinge joint means, ground securing plate means; whereas each said engaging bar means having three sections, each said section perpendicular to adjoining section forming a squared U of sufficient height and length to encompass and engage horizontal stabilizers or main wing of said model airplanes, two braces connect two identical said engaging bar means in parallel having adequate distance between the two said engaging bar means to facilitate the positioning of the said engaging bar means over the rudder and fuselage of said model airplanes, a padding material is affixed to the innermost surfaces of said engaging bar means and said braces; whereas said hinge joint means comprising hinge joint pin affixed to one extremity of said ground securing plate means, said pin extremities inserted in and extending through drilled holes in said engaging bar means, said engaging bar means are held securely adjacent to said pins by said braces; whereas said ground securing plate means comprising a rectangular plate having said hinge joint means affixed at one extremity, a pull handle and plurality of pointed spikes positioned at the opposite extremity, said spikes positioned at a 70 degree angle relative to said ground securing plate and affixed to the bottomside of said ground securing plate, said pull handle is affixed to the topside of said ground securing plate opposite said spikes.

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